12″ / 300 mm
Nominal diameter
50 Hz
Resonance
0.29
Q factor
96 dB
Sensitivity
± 7.25 mm
Linear excursion
1200 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.2
dB
Frequency response
50 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
11.10
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
7.25
mm
Maximum excursion before damage
xlim
19.5
mm
Air volume displaced at xmax
VD
392
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.74
mH
VC Diameter
77
mm
Winding height
HVC
18.5
mm
Winding material
Aluminium
Former material
Glass Fiber
Magnet
Flux density
B
1.1
T
Force factor
Bl
17.3
N/A
Motor constant
Bl/√RE
7.66
N/√W
Air gap height
HAG
12
mm
Material
Neodymium Slug
Diaphragm
Effective diameter
262
mm
Effective area
SD
540
cm²
Moving mass
MMS
56
g
Moving mass (without air load)
MMD
47.1
g
Suspensions
Stiffness
KMS
5.56
N/mm
Compliance
CMS
180
µm/N
Equivalent volume to the compliance
VAS
73.7
L
Mechanical resistance
RMS
1.6
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
316
mm
Baffle cutout diameter
284
mm
Overall depth
156
mm
Flange thickness
13
mm
Mounting depth
143
mm
Volume occupied by the driver
2.4
L
Net weight
4.2
kg
Frame material
Aluminium
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